RCE in Gl.inet Mt3000
CVE-2026-11406
A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: "This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files."
EPSS: 0.012 (66.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Gl.inet Mt3000 — versions 4.4.0, 4.4.1, 4.4.2
Weakness classification (CWE)
References
- cna@vuldb.com (patch)
- cna@vuldb.com (exploit)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-11406?
- CVE-2026-11406 is a medium-severity vulnerability in Gl.inet Mt3000, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-06-06.
- How severe is CVE-2026-11406?
- Medium severity. CVSS v3 base score is 6.3 out of 10.